273 lines
8.0 KiB
PHP
273 lines
8.0 KiB
PHP
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<?php
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/**
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* PEAR_Command_Common base class
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*
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* PHP versions 4 and 5
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*
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* @category pear
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* @package PEAR
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* @author Stig Bakken <ssb@php.net>
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* @author Greg Beaver <cellog@php.net>
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* @copyright 1997-2009 The Authors
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* @license http://opensource.org/licenses/bsd-license.php New BSD License
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* @link http://pear.php.net/package/PEAR
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* @since File available since Release 0.1
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*/
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/**
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* base class
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*/
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require_once 'PEAR.php';
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/**
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* PEAR commands base class
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*
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* @category pear
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* @package PEAR
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* @author Stig Bakken <ssb@php.net>
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* @author Greg Beaver <cellog@php.net>
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* @copyright 1997-2009 The Authors
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* @license http://opensource.org/licenses/bsd-license.php New BSD License
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* @version Release: 1.10.14
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* @link http://pear.php.net/package/PEAR
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* @since Class available since Release 0.1
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*/
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class PEAR_Command_Common extends PEAR
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{
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/**
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* PEAR_Config object used to pass user system and configuration
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* on when executing commands
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*
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* @var PEAR_Config
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*/
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var $config;
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/**
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* @var PEAR_Registry
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* @access protected
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*/
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var $_registry;
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/**
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* User Interface object, for all interaction with the user.
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* @var object
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*/
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var $ui;
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var $_deps_rel_trans = array(
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'lt' => '<',
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'le' => '<=',
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'eq' => '=',
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'ne' => '!=',
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'gt' => '>',
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'ge' => '>=',
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'has' => '=='
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);
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var $_deps_type_trans = array(
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'pkg' => 'package',
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'ext' => 'extension',
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'php' => 'PHP',
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'prog' => 'external program',
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'ldlib' => 'external library for linking',
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'rtlib' => 'external runtime library',
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'os' => 'operating system',
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'websrv' => 'web server',
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'sapi' => 'SAPI backend'
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);
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/**
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* PEAR_Command_Common constructor.
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*
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* @access public
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*/
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function __construct(&$ui, &$config)
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{
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parent::__construct();
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$this->config = &$config;
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$this->ui = &$ui;
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}
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/**
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* Return a list of all the commands defined by this class.
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* @return array list of commands
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* @access public
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*/
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function getCommands()
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{
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$ret = array();
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foreach (array_keys($this->commands) as $command) {
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$ret[$command] = $this->commands[$command]['summary'];
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}
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return $ret;
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}
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/**
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* Return a list of all the command shortcuts defined by this class.
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* @return array shortcut => command
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* @access public
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*/
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function getShortcuts()
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{
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$ret = array();
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foreach (array_keys($this->commands) as $command) {
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if (isset($this->commands[$command]['shortcut'])) {
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$ret[$this->commands[$command]['shortcut']] = $command;
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}
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}
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return $ret;
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}
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function getOptions($command)
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{
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$shortcuts = $this->getShortcuts();
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if (isset($shortcuts[$command])) {
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$command = $shortcuts[$command];
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}
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if (isset($this->commands[$command]) &&
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isset($this->commands[$command]['options'])) {
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return $this->commands[$command]['options'];
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}
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return null;
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}
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function getGetoptArgs($command, &$short_args, &$long_args)
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{
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$short_args = '';
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$long_args = array();
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if (empty($this->commands[$command]) || empty($this->commands[$command]['options'])) {
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return;
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}
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reset($this->commands[$command]['options']);
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foreach ($this->commands[$command]['options'] as $option => $info) {
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$larg = $sarg = '';
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if (isset($info['arg'])) {
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if ($info['arg'][0] == '(') {
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$larg = '==';
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$sarg = '::';
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$arg = substr($info['arg'], 1, -1);
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} else {
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$larg = '=';
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$sarg = ':';
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$arg = $info['arg'];
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}
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}
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if (isset($info['shortopt'])) {
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$short_args .= $info['shortopt'] . $sarg;
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}
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$long_args[] = $option . $larg;
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}
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}
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/**
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* Returns the help message for the given command
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*
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* @param string $command The command
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* @return mixed A fail string if the command does not have help or
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* a two elements array containing [0]=>help string,
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* [1]=> help string for the accepted cmd args
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*/
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function getHelp($command)
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{
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$config = &PEAR_Config::singleton();
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if (!isset($this->commands[$command])) {
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return "No such command \"$command\"";
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}
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$help = null;
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if (isset($this->commands[$command]['doc'])) {
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$help = $this->commands[$command]['doc'];
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}
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if (empty($help)) {
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// XXX (cox) Fallback to summary if there is no doc (show both?)
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if (!isset($this->commands[$command]['summary'])) {
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return "No help for command \"$command\"";
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}
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$help = $this->commands[$command]['summary'];
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}
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if (preg_match_all('/{config\s+([^\}]+)}/', $help, $matches)) {
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foreach($matches[0] as $k => $v) {
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$help = preg_replace("/$v/", $config->get($matches[1][$k]), $help);
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}
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}
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return array($help, $this->getHelpArgs($command));
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}
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/**
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* Returns the help for the accepted arguments of a command
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*
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* @param string $command
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* @return string The help string
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*/
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function getHelpArgs($command)
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{
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if (isset($this->commands[$command]['options']) &&
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count($this->commands[$command]['options']))
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{
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$help = "Options:\n";
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foreach ($this->commands[$command]['options'] as $k => $v) {
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if (isset($v['arg'])) {
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if ($v['arg'][0] == '(') {
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$arg = substr($v['arg'], 1, -1);
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$sapp = " [$arg]";
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$lapp = "[=$arg]";
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} else {
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$sapp = " $v[arg]";
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$lapp = "=$v[arg]";
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}
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} else {
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$sapp = $lapp = "";
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}
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if (isset($v['shortopt'])) {
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$s = $v['shortopt'];
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$help .= " -$s$sapp, --$k$lapp\n";
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} else {
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$help .= " --$k$lapp\n";
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}
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$p = " ";
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$doc = rtrim(str_replace("\n", "\n$p", $v['doc']));
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$help .= " $doc\n";
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}
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return $help;
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}
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return null;
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}
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function run($command, $options, $params)
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{
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if (empty($this->commands[$command]['function'])) {
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// look for shortcuts
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foreach (array_keys($this->commands) as $cmd) {
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if (isset($this->commands[$cmd]['shortcut']) && $this->commands[$cmd]['shortcut'] == $command) {
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if (empty($this->commands[$cmd]['function'])) {
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return $this->raiseError("unknown command `$command'");
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} else {
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$func = $this->commands[$cmd]['function'];
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}
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$command = $cmd;
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//$command = $this->commands[$cmd]['function'];
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break;
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}
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}
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} else {
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$func = $this->commands[$command]['function'];
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}
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return $this->$func($command, $options, $params);
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}
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}
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